The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the What is the directory structure for the texts? FAQ for information about file content and naming conventions.
"This book is the outgrowth of a lecture course given by the authors for several years to undergraduate classes of the Massachusetts institute of technology."--Pref
"A short list of reference books": p. 459-467; "References for reading" at end of each chapter